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Process Operator Jobs in Ontario, CA (NOW HIRING)

Process Engineer II

Fontana, CA

$80K - $110K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The Process Engineer is also responsible for ensuring process specifications and associated ... Standardize Manufacturing JSA's, Standard operating procedures (SOPs) and work instructions to ...

Takes initiative to troubleshoot and resolve any processing range issues that are abnormal or outside of standard operating procedures. * Works closely with the Sr. Tech Supervisor, Engineering ...

Takes initiative to troubleshoot and resolve any processing range issues that are abnormal or outside of standard operating procedures. * Works closely with the Sr. Tech Supervisor, Engineering ...

Takes initiative to troubleshoot and resolve any processing range issues that are abnormal or outside of standard operating procedures. * Works closely with the Sr. Tech Supervisor, Engineering ...

Takes initiative to troubleshoot and resolve any processing range issues that are abnormal or outside of standard operating procedures. * Works closely with the Sr. Tech Supervisor, Engineering ...

Process Engineer

Fontana, CA · On-site

$86K - $118K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The " Process Engineer " will be based in Fontana, Ca , reporting to the Director of Engineering. In charge for process-engineering capabilities focused on cost, quality and delivery improvements in ...

Takes initiative to troubleshoot and resolve any processing range issues that are abnormal or outside of standard operating procedures. * Works closely with the Sr. Tech Supervisor, Engineering ...

Takes initiative to troubleshoot and resolve any processing range issues that are abnormal or outside of standard operating procedures. * Works closely with the Sr. Tech Supervisor, Engineering ...

Process Engineer

Fontana, CA · On-site

$86K - $118K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The " Process Engineer " will be based in Fontana, Ca , reporting to the Director of Engineering. In charge for process-engineering capabilities focused on cost, quality and delivery improvements in ...

Process Engineer

Lake Forest, CA · On-site

$71K - $80K/yr

  • Life

  • Retirement

  • PTO

Position Description As a Process Engineer at Applied Medical, you'll lead cross-functional improvement initiatives that drive consistency, efficiency, and scalability across a wide range of ...

Takes initiative to troubleshoot and resolve any processing range issues that are abnormal or outside of standard operating procedures. * Works closely with the Sr. Tech Supervisor, Engineering ...

Process Engineer

Lake Forest, CA · On-site

$71K/yr

  • Life

  • Retirement

  • PTO

Position Description As a Process Engineer at Applied Medical, you'll lead cross-functional improvement initiatives that drive consistency, efficiency, and scalability across a wide range of ...

Process Engineer

Fontana, CA

$86K - $118K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The " Process Engineer " will be based in Fontana, Ca , reporting to the Director of Engineering. In charge for process-engineering capabilities focused on cost, quality and delivery improvements in ...

Process Engineer

Fontana, CA

$86K - $118K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The " Process Engineer " will be based in Fontana, Ca , reporting to the Director of Engineering. In charge for process-engineering capabilities focused on cost, quality and delivery improvements in ...

Process Engineer

Pomona, CA · On-site

$85K/yr

The process engineer is responsible for maintaining daily production uptime of fully automated molding machines, including all subsequent pre- and post-mold operations such as trimming, insert ...

Process Engineer

Lake Forest, CA

$71K - $80K/yr

  • Life

  • Retirement

  • PTO

Position Description As a Process Engineer at Applied Medical, you'll lead cross-functional improvement initiatives that drive consistency, efficiency, and scalability across a wide range of ...

We are a premier legal services company operating nation-wide. Our clients are banks and law firms ... What's the Key to Process Server Success? * Be organized * Plan your route * Go when people are ...

We are a premier legal services company operating nation-wide. Our clients are banks and law firms ... What's the Key to Process Server Success? * Be organized * Plan your route * Go when people are ...

We are a premier legal services company operating nation-wide. Our clients are banks and law firms ... What's the Key to Process Server Success? * Be organized * Plan your route * Go when people are ...

We are a premier legal services company operating nation-wide. Our clients are banks and law firms ... What's the Key to Process Server Success? * Be organized * Plan your route * Go when people are ...

Showing results 41-60

Process Operator information

See Ontario, CA salary details

$14

$21

$31

How much do process operator jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for process operator in Ontario, CA is $21.51, according to ZipRecruiter salary data. Most workers in this role earn between $18.61 and $23.46 per hour, depending on experience, location, and employer.

What is a process operator?

Process Operators are professionals responsible for managing and overseeing the machinery and systems that produce goods in industries such as manufacturing, chemical processing, and oil and gas. Their duties include monitoring equipment, adjusting controls to maintain quality and safety, and troubleshooting any issues that arise during production. They play a critical role in ensuring production runs smoothly, efficiently, and safely, often working as part of a larger operations team. Process Operators must adhere to strict safety protocols and may be required to document production data or perform routine maintenance.

What does a process operator do?

A process operator is a skilled industrial professional who works as part of a team, or individually, to manage a safe and effective production process within a manufacturing plant, facility, or refinery. Process operators are charged with monitoring the equipment, machinery, and instruments within the facility and troubleshooting when issues arise. As a process operator, it is important to inspect equipment and maintain records of all updates, repairs, and replacements.

What are the key skills and qualifications needed to thrive as a process operator, and why are they important?

To thrive as a Process Operator, you need a solid understanding of industrial processes, safety protocols, and typically a high school diploma or relevant technical certification. Familiarity with control systems like DCS/SCADA, equipment maintenance, and safety certifications such as OSHA are commonly required. Attention to detail, problem-solving, and effective teamwork are crucial soft skills in this role. These abilities ensure efficient, safe, and reliable operation of machinery, minimizing risks and maximizing productivity in industrial settings.

What are some common challenges faced by process operators during shift work, and how can they be managed?

Process Operators often work in rotating shifts to ensure continuous plant operation, which can present challenges such as adjusting to changing sleep schedules and managing fatigue. To address these issues, operators are encouraged to maintain healthy sleep habits, communicate openly with team members about workload distribution, and utilize scheduled breaks effectively. Many facilities also offer training on shift work management and provide support resources to help employees adapt, ensuring both safety and productivity are maintained.

What is the difference between Process Operator vs Maintenance Technician?

AspectProcess OperatorMaintenance Technician
CredentialsHigh school diploma or equivalent; technical certifications often preferredHigh school diploma or equivalent; technical certifications or trade licenses often required
Work EnvironmentFactories, plants, or industrial facilities operating machinery and equipmentIndustrial or manufacturing settings focusing on equipment repair and maintenance
Job FocusMonitoring, controlling, and optimizing production processesMaintaining, repairing, and troubleshooting machinery and equipment

While both roles work in industrial environments, Process Operators focus on running and controlling production processes, whereas Maintenance Technicians specialize in repairing and maintaining equipment. Understanding these differences helps job seekers find the right career path in manufacturing and industrial sectors.

How much do process operators earn?

Process operators typically earn a median annual salary of around $50,000 to $70,000, depending on experience, location, and industry. Entry-level positions may start lower, while experienced operators with certifications can earn higher wages, especially in facilities with shift work or hazardous environments.

Is it hard to be a process operator?

Being a process operator involves monitoring and controlling industrial equipment, which requires attention to detail, technical skills, and adherence to safety protocols. The job can be physically demanding and often involves shift work, but with proper training and certifications, it is manageable for many individuals.

What are popular job titles related to Process Operator jobs in Ontario, CA?

For Process Operator jobs in Ontario, CA, the most frequently searched job titles are:

What job categories do people searching Process Operator jobs in Ontario, CA look for?

The top searched job categories for Process Operator jobs in Ontario, CA are:

What cities near Ontario, CA are hiring for Process Operator jobs?

Cities near Ontario, CA with the most Process Operator job openings:

Infographic showing various Process Operator job openings in Ontario, CA as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 17% Part Time, 3% Contract, and 1% Nights. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $44,751 per year, or $21.5 per hour.

Process Engineer II

Gaf

Fontana, CA

$80K - $110K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 11 days ago


Job description

At GAF, we cover more than just buildings. We cover each other. Under this roof, you will have the tools and resources you need to grow and develop in your career. You will experience our incredible culture and will be empowered to support your teammates, your customers, and especially your community. Under this roof, we define the future while leading the present through our deep well of experience and our responsibility to the future to drive improvements and innovation in our products. We are GAF. And under this roof, we protect what matters most.

Job Summary
The Process Engineer position is responsible for ensuring proper optimized operations to produce products and develop processes to ensure quality, cost and efficiency plans are met. This position drives for sustainable root cause problem resolution and overall process improvements through use of KT tools, process/quality trials and sound engineering fundamentals. The Process Engineer is also responsible for ensuring process specifications and associated documentation is maintained and communicated/trained.
Essential Duties

  • Lead process design reviews, raw material qualification and product and process qualification and capability studies.

  • Performs PPA/FMEA on all major process and raw material changes.

  • Train production personnel on Statistical process Control (SPC).

  • Leads the application and interpretation of SPC charting Train and educates personnel on company products, plant and corporate quality policies and procedures; including internal and external personnel, suppliers and customers.

  • Conduct internal compliance audits of production tests, process specifications, plant change notices (PCN's) and other in-plant processes.

  • Co-ordinate Plant Trials with R&D and plant personnel.

  • Ensures trials are accurately conducted and reported.

  • Train and educate personnel on company products, plant and corporate quality policies and procedures; including internal and external personnel, suppliers and customers.

  • Standardize Manufacturing JSA's, Standard operating procedures (SOPs) and work instructions to maximize the production departments productively while minimizing wasted time and controlling cost.

  • Analyze Manufacturing processes, equipment, and systems for failures and provide solutions to eliminate production downtime or extend time between downtime and equipment failures.

  • Conduct and or lead breakdown analysis investigations, perform failure analysis, Fishbone analysis and focused improvement activities for the production line.

  • Plant liaison for Manufacturing improvement projects between other groups and plant personnel.

  • Instruct and train plant personnel on Root Cause Analysis; Support Root Cause Analysis as a focused manufacturing improvement strategy.

  • Work closely with Production operators to improve manufacturing /processes that adversely affect equipment or product quality.

  • Review engineering specifications and drawings, propose design modifications to improve manufacturing processes within cost and business requirements.

  • Support all Plant Safety improvements/projects.

  • Participate in Plant Safety Teams and Continuous improvement projects.


Qualifications Required

  • Bachelor's Degree in Engineering (Electrical, Mechanical, or Chemical) coupled 2+ years of demonstrated related experience in a manufacturing environment. required

  • Demonstrated knowledge of engineering fundamentals


Qualifications Preferred

  • Advanced proficiency in Google Suite, PLC and AutoCAD.


Physical Demands

  • Stationary Position - Frequently

  • Move/Traverse - Frequently

  • Stationary Position/Seated - Occasionally

  • Transport/Lifting - Frequently

  • Transport/Carrying - Frequently

  • Exerting Force/Pushing - Frequently

  • Exerting Force/Pulling - Frequently

  • Ascend/Descend - Frequently

  • Balancing - Occasionally

  • Position Self/Stooping - Frequently

  • Position Self/Kneeling - Frequently

  • Position Self/Crouching - Frequently

  • Position Self/Crawling - Frequently

  • Reaching - Constantly

  • Handling - Constantly

  • Grasping - Frequently

  • Feeling - Rarely

  • Communicate/Talking - Occasionally

  • Communicate/Hearing - Frequently

  • Repetitive Motions - Frequently

  • Coordination - Frequently


Working Conditions

  • Extreme cold - Frequently

  • Extreme heat - Frequently

  • Humid - Frequently

  • Wet - Frequently

  • Noise - Frequently

  • Hazards - Frequently

  • Temperature Change - Frequently

  • Vibration - Frequently

Base salary and/or rate of pay ranges listed are exclusive of fringe benefits and potential bonuses. Individual compensation offers will be determined based on a variety of factors, including but not limited to geographic location, relevant candidate experience and skill, education, and/or qualifications.Base Salary Range: $80,000-$110,000

How We Protect What Matters Most:

1. We offer a wide range of health insurance options that include medical, dental, and vision for you and your family. 2. Our Family-Building benefits support the many different journeys to fertility and parenthood. 3. Our robust 401K plan includes an employer match contribution with your pre-tax and/or Roth contributions. 4. Other exciting programs and perks are available to help employees achieve work-life balance, including (but not limited to) a wellness program, free financial coaching, a referral program, and product rebates when purchased for an employee's primary residence. 5. Professional growth and development are very important to us! We offer internal training programs and courses, as well as a generous tuition reimbursement program. 6. We're committed to fostering a culture that reflects our values to connect, empower, evolve, and inspire. We offer many opportunities for employees to connect with one another, including through our Employee Resource Groups who focus on education and allyship for all of our employees.

GAF complies with federal, state, and local disability laws and makes reasonable accommodations for applicants and employees with disabilities. If a reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact HR Services at 833-HR-XPERT.

We believe our employees are our greatest resource. We offer competitive salary, benefits, 401k, and vacation packages for all full time permanent positions. We are proud to be an equal opportunity workplace. We are committed to equal employment opportunity on the basis of each candidate's qualifications, experience, and merit, without regard to race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. If you have a disability or special need that requires accommodation, please let us know. If applying for positions in the U.S., must be eligible to work in the U.S. without need for employer sponsored visa (work permit).

GAF logo

About GAF

Sourced by ZipRecruiter

With 130+ years in the industry, GAF is the leading roofing manufacturer in North America. As a member of the Standard Industries family of companies, we are also part of the largest roofing and waterproofing business in the world. Our communities help give our work meaning and the products we manufacture help protect what matters most. The shingles help to shelter the families living in the homes in our towns. The TPO helps protect what is under that hospital’s roof. In addition to quality products, we make sure they are installed by quality craftsmen and women. The full GAF portfolio of solutions is supported by an extensive national network of factory-certified contractors. GAF continues to be the leader in quality and offers comprehensive warranty protection on its products and systems. Our success is driven by a commitment to empowering our people to deliver advanced quality and purposeful innovation and the desire to protect what matters most. ​

Industry

Construction materials wholesalers

Company size

1,001 - 5,000 Employees

Headquarters location

Parsippany, NJ, US

Year founded

1886